Home / 70,142.12-96,795.84-38,311.04

Finding the Fourth Proportional to 70,142.12, 96,795.84 and 38,311.04

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Solution

The fourth proportional to 70,142.12, 96,795.84 and 38,311.04 is: 52,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,142.12 : 96,795.84 = 38,311.04 : x
  2. Step 2: Convert to fraction form
    70,142.12/96,795.84 = 38,311.04/x
  3. Step 3: Cross multiply
    70,142.12x = 96,795.84 × 38,311.04
  4. Step 4: Simplify right side
    70,142.12x = 3,708,349,298.07
  5. Step 5: Solve for x
    x = 3,708,349,298.07/70,142.12
  6. Step 6: Final answer
    x = 52,869.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.